Chương 1317: A Greeting

Li Yao and Ding Lingdang both nodded, somewhat helplessly. They had never considered the issue from that perspective before.

On second thought, it was indeed a conundrum that could barely be bypassed.

"Secondly, the complexity of the universal exploration. We have to try everything we can to increase our odds of discovering a new Sector," Professor Mo Xuan said. "For the ordinary people who live on a planet, with a blue sky above their heads and a solid land below their feet, when they are faced with the night sky brimming with brilliantly shining stars, it is often impossible for them to truly understand the vastness and enormity of the universe!

"How many stars are scattered in the three-dimensional universe to our knowledge?

"By the preliminary estimation of generations of astronomers, there are approximately ninety sextillion, which means a nine with twenty-two zeros behind it!

"What does 90,000,000,000,000,000,000,000 mean exactly?